Home / 756,903.96-1,136,143.26-557,449.56

Finding the Fourth Proportional to 756,903.96, 1,136,143.26 and 557,449.56

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Solution

The fourth proportional to 756,903.96, 1,136,143.26 and 557,449.56 is: 836,754.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,903.96 : 1,136,143.26 = 557,449.56 : x
  2. Step 2: Convert to fraction form
    756,903.96/1,136,143.26 = 557,449.56/x
  3. Step 3: Cross multiply
    756,903.96x = 1,136,143.26 × 557,449.56
  4. Step 4: Simplify right side
    756,903.96x = 633,342,560,383.97
  5. Step 5: Solve for x
    x = 633,342,560,383.97/756,903.96
  6. Step 6: Final answer
    x = 836,754.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.